121210112210102 has 16 divisors (see below), whose sum is σ = 182281912218000. Its totient is φ = 60449605493760.

The previous prime is 121210112210027. The next prime is 121210112210107. The reversal of 121210112210102 is 201012211012121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210112210107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30816227 + ... + 34526222.

It is an arithmetic number, because the mean of its divisors is an integer number (11392619513625).

Almost surely, 2^{121210112210102} is an apocalyptic number.

121210112210102 is a deficient number, since it is larger than the sum of its proper divisors (61071800007898).

121210112210102 is a wasteful number, since it uses less digits than its factorization.

121210112210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65344831.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121210112210102 its reverse (201012211012121), we get a palindrome (322222323222223).

The spelling of 121210112210102 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twelve million, two hundred ten thousand, one hundred two".